-- Add phone to users
ALTER TABLE users ADD COLUMN IF NOT EXISTS phone varchar(50);

-- Add manager to roles
ALTER TABLE roles ADD COLUMN IF NOT EXISTS manager_id integer REFERENCES users(id) ON DELETE SET NULL;

-- Add link_to_user_profile to form fields
ALTER TABLE form_fields ADD COLUMN IF NOT EXISTS link_to_user_profile boolean NOT NULL DEFAULT false;

-- Create user profile audit log
CREATE TABLE IF NOT EXISTS user_profile_audit_log (
  id serial PRIMARY KEY,
  user_id integer NOT NULL REFERENCES users(id) ON DELETE CASCADE,
  organization_id integer NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
  action varchar(50) NOT NULL,
  field_id integer REFERENCES user_profile_fields(id),
  field_name text,
  old_value jsonb,
  new_value jsonb,
  changed_by integer REFERENCES users(id),
  changed_by_name text,
  metadata jsonb,
  created_at timestamp NOT NULL DEFAULT now()
);

CREATE INDEX IF NOT EXISTS user_profile_audit_log_user_created_idx ON user_profile_audit_log(user_id, created_at DESC);